Quattro mosche di velluto grigio; also Quatre mouches de velours gris, Four Patches of Grey Velvet

A drummer (Michael Brandon) is tricked into killing a stalker in this Dario's third film, Four Flies on Grey Velvet. The murder has been photographed by someone who then blackmails Brandon. In this film there is a camera that is able to record the last image in a corpse's eye. The music is composed by Ennio Morricone again. There is a soundtrack called An Ennio Morricone - Dario Argento Trilogy that has music from The Bird With the Crystal Plumage, The Cat O'Nine Tails, Four Flies on Grey Velvet and an interview (in Italian) with Dario Argento.

Director: Dario Argento. Producer: Salvatore Argento. Screenwriter: Dario Argento, from a story by Dario Argento, Luigi Cozzi and Mario Foglietti. Cinematographer: Franco di Giacomo. Music: Ennio Morricone. Production Designer: Enrico Sabbatini. Editor: Francoise Bonnot. Special Effects: Cataldo Gaiiano.

Cast: Michael Brandon (Robert Tobias), Mimsy Farmer (Nina Tobias), Jean-Pierre Marielle (Arrosio), Francine Racette (Dalia), Bud Spencer[Carlo Pedersoli] (Godfrey), Calisto Calisti (Carlo Marcosi), Marisa Fabbri (Hilda), Oreste Lionello (the Professor), Fabrizio Moroni (Mirko), Stefano Sattaflores (Andrew), Constanza Spade (Marial).